Palm Avenue over Poso Slough
FairMerced County, California · 1.65 MI S of SR 152 · Structure no. 39C0269
- Built
- 1966
- 59 years old
- Condition
- Fair
- inspected November 2024
- Type
- Slab
- Concrete
- Length
- 25 ft
- 1 main span
- Daily traffic
- 1,610
- 2000 count
- Owner
- County
- County Highway Agency
About this bridge
Palm Avenue over Poso Slough is a concrete slab carrying Palm Avenue over Poso Slough in Merced County, California. It was built in 1966, so it is 59 years old, older than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 1,610 vehicles a day, roughly 3% of them trucks, projected to reach 2,681 by 2042. The structure is 25 ft (7.7 m) long and 32 ft wide. If it were closed, the detour would be 5 mi (8 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Palm Avenue over Poso Slough built?
It was built in 1966, making it 59 years old in 2025.
What condition is Palm Avenue over Poso Slough in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2024.
How much traffic does Palm Avenue over Poso Slough carry?
About 1,610 vehicles per day (2000 count), of which roughly 3% are trucks.
How long is Palm Avenue over Poso Slough?
The structure is 25 ft (7.7 m) long with a longest span of 22 ft (6.7 m) and a deck 32 ft wide.
Who owns Palm Avenue over Poso Slough?
It is owned by the County Highway Agency.